THE EFFECT OF MULTIVALENT CATION DOPANTS ON LITHIUM MANGANESE SPINEL CATHODES

Authors
DEKOCK A FERG E GUMMOW RJ
Citation
A. Dekock et al., THE EFFECT OF MULTIVALENT CATION DOPANTS ON LITHIUM MANGANESE SPINEL CATHODES, Journal of power sources, 70(2), 1998, pp. 247-252
Citations number
16
Categorie Soggetti
Electrochemistry,"Energy & Fuels
Journal title
Journal of power sources → ACNP
ISSN journal
03787753
Volume
70
Issue
2
Year of publication
1998
Pages
247 - 252
Database
ISI
SICI code
0378-7753(1998)70:2<247:TEOMCD>2.0.ZU;2-W
Abstract
The cycling stability of 4 V LixMn2O4 electrodes in lithium, flooded e lectrolyte glass cells has been improved by the addition of multivalen t cation dopants (Mg2+, Zn2+ and Al3+). Optimal dopant levels to achie ve maximum capacity and the greatest stability with repeated cycling h ave been determined. The effect of doping the oxygen-rich spinel Li2Mn 4O9 was also determined and shown to make no significant improvement i n the life cycle stability in the 3 V region. (C) 1998 Elsevier Scienc e S.A.